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<?php |
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|
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/* |
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* it is best practice that plugins do nothing before plugins_loaded is fired |
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* so it is what Polylang intends to do |
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* but some plugins load their text domain as soon as loaded, thus before plugins_loaded is fired |
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* this class differs text domain loading until the language is defined |
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* either in a plugins_loaded action or in a wp action (when the language is set from content on frontend) |
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* |
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* @since 1.2 |
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*/ |
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class PLL_OLT_Manager { |
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protected $default_locale; |
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protected $list_textdomains = array(); // all text domains |
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public $labels = array(); // post types and taxonomies labels to translate |
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|
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/* |
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* constructor: setups relevant filters |
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* |
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* @since 1.2 |
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*/ |
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public function __construct() { |
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// saves the default locale before we start any language manipulation |
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$this->default_locale = get_locale(); |
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|
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// filters for text domain management |
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add_filter('override_load_textdomain', array(&$this, 'mofile'), 10, 3); |
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add_filter('gettext', array(&$this, 'gettext'), 10, 3); |
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add_filter('gettext_with_context', array(&$this, 'gettext_with_context'), 10, 4); |
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|
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// loads text domains |
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add_action('pll_language_defined', array(&$this, 'load_textdomains'), 2); // after PLL_Frontend::pll_language_defined |
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add_action('pll_no_language_defined', array(&$this, 'load_textdomains')); |
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|
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// allows Polylang to be the first plugin loaded ;-) |
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add_filter('pre_update_option_active_plugins', array(&$this, 'make_polylang_first')); |
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add_filter('pre_update_option_active_sitewide_plugins', array(&$this, 'make_polylang_first')); |
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} |
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|
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/* |
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* loads text domains |
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* |
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* @since 0.1 |
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*/ |
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public function load_textdomains() { |
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// our override_load_textdomain filter has done its job. let's remove it before calling load_textdomain |
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remove_filter('override_load_textdomain', array(&$this, 'mofile'), 10, 3); |
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remove_filter('gettext', array(&$this, 'gettext'), 10, 3); |
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remove_filter('gettext_with_context', array(&$this, 'gettext_with_context'), 10, 4); |
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$new_locale = get_locale(); |
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|
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// don't try to save time for en_US as some users have theme written in another language |
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// now we can load all overriden text domains with the right language |
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foreach ($this->list_textdomains as $textdomain) { |
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if (!load_textdomain($textdomain['domain'], str_replace("{$this->default_locale}.mo", "$new_locale.mo", $textdomain['mo']))) { |
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// since WP 3.5 themes may store languages files in /wp-content/languages/themes |
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if (!load_textdomain($textdomain['domain'], WP_LANG_DIR . "/themes/{$textdomain['domain']}-$new_locale.mo")) { |
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// since WP 3.7 plugins may store languages files in /wp-content/languages/plugins |
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load_textdomain($textdomain['domain'], WP_LANG_DIR . "/plugins/{$textdomain['domain']}-$new_locale.mo"); |
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} |
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} |
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} |
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|
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// translate labels of post types and taxonomies |
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foreach ($GLOBALS['wp_taxonomies'] as $tax) |
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$this->translate_labels($tax); |
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foreach ($GLOBALS['wp_post_types'] as $pt) |
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$this->translate_labels($pt); |
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|
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// act only if the language has not been set early (before default textdomain loading and $wp_locale creation |
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if (did_action('after_setup_theme')) { |
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// reinitializes wp_locale for weekdays and months |
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unset($GLOBALS['wp_locale']); |
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$GLOBALS['wp_locale'] = new WP_Locale(); |
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} |
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|
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// allow plugins to translate text the same way we do for post types and taxonomies labels |
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do_action_ref_array('pll_translate_labels', array(&$this->labels)); |
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|
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// free memory |
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unset($this->default_locale, $this->list_textdomains, $this->labels); |
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} |
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|
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/* |
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* saves all text domains in a table for later usage |
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* |
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* @since 0.1 |
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* |
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* @param bool $bool not used |
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* @param string $domain text domain name |
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* @param string $mofile translation file name |
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* @return bool always true |
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*/ |
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public function mofile($bool, $domain, $mofile) { |
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$this->list_textdomains[] = array ('mo' => $mofile, 'domain' => $domain); |
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return true; // prevents WP loading text domains as we will load them all later |
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} |
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|
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/* |
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* saves post types and taxonomies labels for a later usage |
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* |
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* @since 0.9 |
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* |
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* @param string $translation not used |
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* @param string $text string to translate |
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* @param string $domain text domain |
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* @return string unmodified $translation |
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*/ |
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public function gettext($translation, $text, $domain) { |
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if (is_string($text)) // avoid a warning with some buggy plugins which pass an array |
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$this->labels[$text] = array('domain' => $domain); |
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return $translation; |
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} |
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|
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/* |
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* saves post types and taxonomies labels for a later usage |
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* |
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* @since 0.9 |
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* |
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* @param string $translation not used |
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* @param string $text string to translate |
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* @param string $context some comment to describe the context of string to translate |
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* @param string $domain text domain |
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* @return string unmodified $translation |
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*/ |
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public function gettext_with_context($translation, $text, $context, $domain) { |
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$this->labels[$text] = array('domain' => $domain, 'context' => $context); |
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return $translation; |
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} |
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|
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/* |
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* translates post types and taxonomies labels once the language is known |
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* |
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* @since 0.9 |
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* |
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* @param object $type either a post type or a taxonomy |
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*/ |
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public function translate_labels($type) { |
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// use static array to avoid translating several times the same (default) labels |
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static $translated = array(); |
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|
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foreach($type->labels as $key => $label) { |
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if (is_string($label) && isset($this->labels[$label])) { |
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if (empty($translated[$label])) { |
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$type->labels->$key = $translated[$label] = isset($this->labels[$label]['context']) ? |
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_x($label, $this->labels[$label]['context'], $this->labels[$label]['domain']) : |
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__($label, $this->labels[$label]['domain']); |
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} |
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else { |
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$type->labels->$key = $translated[$label]; |
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} |
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} |
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} |
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} |
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|
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/* |
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* allows Polylang to be the first plugin loaded ;-) |
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* |
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* @since 1.2 |
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* |
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* @param array $plugins list of active plugins |
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* @return array list of active plugins |
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*/ |
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public function make_polylang_first($plugins) { |
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if ($key = array_search(POLYLANG_BASENAME, $plugins)) { |
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unset($plugins[$key]); |
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array_unshift($plugins, POLYLANG_BASENAME); |
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} |
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return $plugins; |
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} |
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} |
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